michigan police were forced to block the sfwrans of the capitol today. one estimates 4,000 people were inside and outside the capitol building. pepper spray was used on a person that tried to storm senate chambers. legislation by rick schneider would limit unions' abilities to collect dues. it's headed for a senate vote. the u.s. navy is moving ships into position to monitor a north korean possible rocket launch. the defense department tells cnn's barbara starr that two ships are being moved to an unspecified position to provide reassurance to allies. it's possible two more ships could be sent to the region in the next few days. the taliban claimed responsibility for the suicide attack that wounded afghanistan's intelligence chief today. a senior police official says they targeted the chief as he was leaving a meeting. afghan president karzai told reports he's confident he will cover. a programming note, i will report live from afghanistan next week on the future of the country. >>> it has been 490 days since the u.s. lost its top credit rating. what are